Wietse Venema: > This test completes fine with LMDB 0.9.23 (built on Fedora 30). > Starting with a small LMDB size limit, "postmap -i" keeps raising > the limimt as it adds items to the LMDB table. This is the same > Postfix library code path that is used with adding items to the TLS > session cache, only the sizes of the items may differ. > > I suspect that you run Postfix daemons with a low memmory limit. > Don't do that with memory-mapped databases.
or it could be af file size limit issue - like the message file size limit. Wietse